WISN 12 NEWS AT 5 CONTINUES TONIGHT A VETERAN MILWAUKEE POLICE DETECTIVE IS UNDER INVESTIGATION---AGAIN. THIS TIME HIS CASE COULD JEOPARDIZE A HIGH PROFILE- MURDER INVESTIGATION. INVESTIGATIVE REPORTER COLLEEN HENRY JOINS US FROM THE POLICE ADMINISTRATION BUILDING...THE OFFICER IS ACCUSED OF BEATING A SUSPECT. 12 NEWS LEARNED THE INCIDENT HAPPENED HERE LAST WEEK...IN AN INTERROGATION ROOM UP ON THE SIXTH FLOOR OF THE POLICE ADMINISTRATION BUILDING...A POLICE SOURCE TELLS 12 NEWS ...A CAMERA WAS ROLLING WHEN THE DETECTIVE ATTACKED. 12 NEWS HAS REQUESTED THE VIDEO... POLICE DECLINED TO COMMENT ON CAMERA ... WHILE THE DEPARTMENT SUPENDED GOMEZ' POLICE POWERS ...HE REMAINS ON THE PAYROLL ASSIGNED TO DESK DUTY AS THE DEPARTMENT AND D.A. INVESTIGATE. THE D.A. SAYS THAT COULD TAKE